Horse tack stand



FIG. 1 is a right side view of a horse tack stand showing my new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a front right perspective view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a rear left perspective view thereof;

FIG. 7 is a rear right perspective view thereof; and,

FIG. 8 is a front left perspective view thereof. 

I claim the ornamental design for a horse tack stand, as shown. 